Original before discount Calculator

How to calculate original before discount

This tool calculates original before discount from Sale price, Discount (%). Enter each quantity in its labelled field, then use the formula below to check the calculation.

Formula

sale price ÷ (1 − discount ÷ 100)

Worked example

Sale price

75

Discount (%)

25

Applying the formula to these values gives 100 .

What should I check?

Work out percentages, discounts, bill splits, recipe amounts and other everyday numbers. Each tool shows its formula and a worked example.

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